This challenge coin is from the Expeditionary Medical Clinic at Isa Air Base in Bahrain. It is 3.25 inches at its widest point and features two rone silver/gold metal. It is a unique and original item, perfect for collectors of militaria or anyone interested in the history of military medical operations. The coin was manufactured in Bahrain in 2018 and has recently been recovered from storage. It has only been removed from its protective bag for the pictures.  It is an excellent addition to any collection of challenge coins.